code: def datenum_to_datetime(datenum):
      """
      Convert Matlab datenum into Python datetime.
      """
      days = datenum % 1
      hours = days % 1 * 24
      minutes = hours % 1 * 60
      seconds = minutes % 1 * 60
      try:
          return (
              datetime.fromordinal(int(datenum))
              + timedelta(days=int(days))
              + timedelta(hours=int(hours))
              + timedelta(minutes=int(minutes))
              + timedelta(seconds=round(seconds))
              - timedelta(days=366)
          )
      except Exception:
          return datenum_to_datetime(700000)
  
file_path: autokeras/examples/celeb_age.py
imports: from datetime import datetime
  from datetime import timedelta
  import numpy
  import pandas
  import tensorflow
  from google.colab import drive
  from PIL import Image
  from scipy.io import loadmat
  import autokeras
label_desc: Use image node_id 1 for calling a global function with example usage: datenum_to_datetime(datenum) and returns: unknown, datenum_to_datetime